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—Guess what?I came first in that contest.—Great!You a lot during the past two weeks.A. mu

答案:2  悬赏:40  手机版
解决时间 2021-01-24 20:12
  • 提问者网友:夢醒日落
  • 2021-01-23 19:26
—Guess what?I came first in that contest.
—Great!You a lot during the past two weeks.
A. must practise
B. should practise
C. should have practised
D. must have practised
最佳答案
  • 五星知识达人网友:渡鹤影
  • 2021-01-23 20:02
A. must practiseB. should practiseC. should have practised(答案→)D. must have practised解析:在比赛中得了第一名一定是经过很多练习换来的,所以D项must have practised符合语意,表示对过去情况的肯定推测。
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  • 1楼网友:人间朝暮
  • 2021-01-23 20:26
就是这个解释
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